A durable, fully equipped AC/DC TIG for a serious home or small shop welder who values duty cycle and warranty over price.
Amazon $1,079
A complete, hard working AC/DC TIG for the home fabricator who welds aluminum often. Its duty cycle beats most machines near its price.
- 200 AOutput
- 60% at 200 ADuty cycle
- AC/DC TIG, stickProcesses
- 120 V and 240 VInput
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- A 60% duty cycle at full 200 A lets you run long aluminum beads without stopping
- Pedal, torch and regulator in the box, so it is ready once you add gas
- Runs on 120 V at up to 150 A, more than most rivals manage on household power
- Pulse and lift start add control on thin stainless
- At 40 lb it is heavy to carry for a 200 A machine
- The stock 17 series torch is small for long high amp welds
- A 3 year warranty is shorter than Everlast and ArcCaptain
The AHP AlphaTIG family
Every AHP AlphaTIG model we rank, smallest first. Ratings compare each against its own process.
| Model | Output | Rating | Price |
|---|---|---|---|
| AHP AlphaTIG 203Xi (this one) | 200 A | 4.2/5 | $670 |
| AHP AlphaTIG 225Xi | 225 A | 3.8/5 | $695 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its process. How we rank explains each one.
Specifications
| Model number | AlphaTIG 203Xi |
|---|---|
| Output | |
| Processes | AC/DC TIG, stick |
| Maximum output | 200 A |
| Maximum on 120 V | 150 A |
| Duty cycle | 60% at 200 A |
| Duty cycle ambient | 40 °C |
| Input | 120 V and 240 V |
| Features | |
| Pulse | Yes |
| Foot pedal in the box | Yes |
| TIG torch in the box | Yes |
| Weight | 40 lb |
| Warranty | 3 years |
Alternatives in this process
For the hobbyist or small fab shop that wants fine AC control and two torches in one box. The price is high for its amperage.
Amazon $1,439 Everlast $1,419A 250 A AC/DC machine for a small fabrication shop that welds thick aluminum all day. Overkill for occasional home use.
Amazon $1,875Compare
Compare the AHP AlphaTIG 203Xi with any other TIG or stick welder →
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